// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/views/masked_targeter_delegate.h"

#include "ui/gfx/path.h"
#include "ui/gfx/skia_util.h"
#include "ui/views/view.h"

namespace views {

bool MaskedTargeterDelegate::DoesIntersectRect(const View* target,
    const gfx::Rect& rect) const
{
    // Early return if |rect| does not even intersect the rectangular bounds
    // of |target|.
    if (!ViewTargeterDelegate::DoesIntersectRect(target, rect))
        return false;

    // Early return if |mask| is not a valid hit test mask.
    gfx::Path mask;
    if (!GetHitTestMask(&mask))
        return false;

    // Return whether or not |rect| intersects the custom hit test mask
    // of |target|.
    SkRegion clip_region;
    clip_region.setRect(0, 0, target->width(), target->height());
    SkRegion mask_region;
    return mask_region.setPath(mask, clip_region) && mask_region.intersects(RectToSkIRect(rect));
}

} // namespace views
